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signal.flow is an art project focus on the invisible data, information and signal in our daily life. And represent the signal into the space
by sound, light and installation.

__ signal.flow [ver. 2.1] sound installation | 2011-12  
  © CHANG Yung-Ta    

signal.flow2.x focus on the ignored and invisible signal in our daily life. Then push the imagination of unknown world and signal to maximum through the light and sound in
the space. How’s the invisible signal being transferred and streaming? And how’s the interface and space being influenced with each other? To facing the invisible signal
inside the computer, I developing a self-generated, without human involved interactive software, then represent the computer’s background data such as temperature
activity and disk activity into the space by light and sound.

The installation made with a combination of sound, light and visuals. Its 104 speakers and 104 incandescent light bulbs form a two dimensional matrix that creates a three-
dimensional streamline body that is dispersed through the space. Each unit of installation is composed of one speaker and a light bulb. The control of the unit is synchronized
so that the brightness of the bulb alters the volume of the speaker—the brighter the bulb is, the louder the speaker is. The content of sound is generated from program's real-
time computing. Through operating system monitors hard disk access' status and inner temperature, computer produces continuous variables, values, and data. A customized
computer program produces noise or biological sounds and converts the computer's internal signal into sound and light. Through the customized program, the self-generated
graphic makes 104 light bulbs and 104 speakers can be independently controlled. With this control and the flow in space, sound and light is organically dispersed, sometimes
creating an illusion of three-dimensional images, sometimes creating glowing objects with sound and life. In this installation, the viewer can experience sound flowing and
altering in three dimensional space, as well as visuals that are synchronized with the sound.

  materials   bulb lamp, speaker, computer, dmx controller
  dimensions   W500 x H500 x D900 cm
  date | place

  DEC 11, 2013 - JAN 12, 2014
OCT 6, 2012 - JAN 6, 2013
MAY 11 - MAY 14, 2012
Pao Gallery, HK
National Taiwan Museum of Fine Arts, Tai-Chung, TW
Huashan 1914 Creative Park, Taipei, TW
__ signal.flow [ver. 2.0] sound installation | 2011  
  © CHANG Yung-Ta    
  materials   bulb lamp, speaker, computer, dmx controller
  dimensions   W500 x H500 x D900 cm
  date | place

  DEC 24, 2011 - MAR 4, 2012
AUG 13 - SEP 11, 2011
Taipei Fine Arts Museum, Taipei, TW
Digital Art Center, Taipei, TW
__ signal.flow [ver. 1.0] site-specific installation | 2010  
  © CHANG Yung-Ta    

signal.flow1.0 is a site-specific installation that commissioned by ZER01 with support form the Taiwan Cultural Council for the 01San Jose Biennale 2010.There are always
information and signal around us. Why it makes sense to us? And what it means to us? We used to ignore them as normal. Is it possible we can disturb and play the signal?
If it works, how it could be? Radio plays a very important role in San Jose, it affects not only people but economy. By the theme of “Build Your Own World”, signal.flow 1.0
provide a platform or interface let people play the radio and enjoy the real-time visual.

In Signal.Flow, two acrylic tubes are bolted vertically to the ground outside the entrance of South Hall. Inside each tube is an array of motor-powered rotating red LEDs, a radio
receiver, and speakers. The tube lights “play” the audio waveforms of the radio signals being received, which are controlled by IR-sensors. As people approach the tubes, they
switch more and less frequently between radio stations, creating, essentially, a new station of fragments of the total on air programming in San Jose. As they spin, the LEDs
create new visual patterns from the audio waveforms being displayed.  The soundscape environment is unique to San Jose in terms of both radio and pedestrian traffic. It is
also intended as a performance device, which people can “play” by their proximity to the devices.

  materials   black acrylic tube, stainless steel, customized LED module, motor, speaker, customized radio module, microchip controller, radio antenna, IR-sensor
  dimensions   W15 x H160 x D15 cm (each)
  date | place   SEP 16 - SEP 19, 2010 The South Hall, San Jose, US


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  © CHANG Yung-Ta, 2013